NeoFixFormat is a YY-CHR.NET plugin for reading/writing Neo-Geo fix layer tiles (”S” ROMs). According to the NeoGeoDev Wiki, “the cart and CD systems use the same format” for the fix tiles, so this should work for both Neo-Geo (MV….

NES CHR Editor is a sprite editor for Nintendo Entertainment System games. With it, you can edit the graphics of your favorite NES titles!
This editor allows you to edit four graphics at a time in a 2×2 fashion. Also, for odd games missing a CHR ….

Originally by The_Fake_God and updated by MegaManJuno, the NES Palette Editor allows you to visually inspect and modify palettes in NES ROMs. Bytes falling within the NES color range are displayed in color (based on the nes.pal file in the same direc….

NES Screen Tool is very useful utility for designing screens for NES/Famicom games. You load pre-designed character ROM banks of a certain size and use them to build a screen, palettes and attribute tables. You can also do edits to the character ROM ….

NES2NSF is a NSF compilation tool for use on a NES ROM file in it’s iNES form. the ini file has settings that you the user can configure to define search patterns and what type of output. This program appears to have problems on some multiple 32….

Batch NES ROM CRC-32 Validation
This is a command-line program, that can be used to validate your rom collection.
It goes through a directory of .nes rom files, and for each file, it:
Strips off the 16 byte iNES header.
Gets the CRC-32 of ….

NESHead is a NES header editor tool for iNES files. It’s also a simple ROM manager which allows you to verify your NES Headers against a database.
If you’re interested in simply generating/fixing NES headers the quick-way, you could igno….

NESICIDE is an Integrated Development Environment for the 8-bit Nintendo Entertainment System. With it you will be able to create NES games without the need for external editors or build systems. Everything from graphics designers, sound designers, c….

Well-crafted, ready-to-run tools for the PPC Mac are increasingly difficult to find. But this command-line disassembler, NESMacDASM, runs out-of-the-box for PPC Mac users, and it features a function-identification ability not seen in other disassemb….